125115560 has 16 divisors (see below), whose sum is σ = 281510100. Its totient is φ = 50046208.

The previous prime is 125115553. The next prime is 125115569. The reversal of 125115560 is 65511521.

It can be written as a sum of positive squares in 2 ways, for example, as 121925764 + 3189796 = 11042^2 + 1786^2 .

It is a super-2 number, since 2×125115560² = 31307806708227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125115569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563905 + ... + 1563984.

Almost surely, 2^125115560 is an apocalyptic number.

125115560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125115560 is an abundant number, since it is smaller than the sum of its proper divisors (156394540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125115560 is a wasteful number, since it uses less digits than its factorization.

125115560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3127900 (or 3127896 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The square root of 125115560 is about 11185.5066939321. The cubic root of 125115560 is about 500.1540325431.

The spelling of 125115560 in words is "one hundred twenty-five million, one hundred fifteen thousand, five hundred sixty".